diff --git a/app_helpers.rb b/app_helpers.rb
index 638f1c48..7a1ea067 100644
--- a/app_helpers.rb
+++ b/app_helpers.rb
@@ -41,13 +41,24 @@ end
 def require_unbanned_ip
   if session[:banned] || Site.banned_ip?(request.ip)
     signout
-    session[:banned] = true
-    flash[:error] = 'Site creation has been banned due to ToS violation/spam. '+
+    session[:banned] = request.ip if !session[:banned]
+    send_banned_report
+    flash[:error] = 'Site creation has been banned due to a Terms of Service violation. '+
     'If you believe this to be in error, <a href="/contact">contact the site admin</a>.'
     return {result: 'error'}.to_json
   end
 end
 
+def send_banned_report
+  EmailWorker.perform_async({
+    from: 'web@neocities.org',
+    reply_to: 'contact@neocities.org',
+    to: 'errors@neocities.org',
+    subject: "[Neocities] Ban report",
+    body: "IP: #{request.ip}\n\nSession: #{session.inspect}\n\nParams:#{params.inspect}"
+  })
+end
+
 def title
   out = "Neocities"
   return out                  if request.path == '/'